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Article: Infrared antenna aims to reduce mobile phone radiation. (News).
- Article from:
- The Engineer
- Article date:
- September 13, 2002
- Author:
CopyrightCOPYRIGHT 2002 Centaur Communications Limited. This material is published under license from the publisher through the Gale Group, Farmington Hills, Michigan. All inquiries regarding rights should be directed to the Gale Group. (Hide copyright information)
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A HANDS-FREE kit for mobile phones that claims not to transmit microwave radiation to the user's head has been developed at Warwick University.
The technology, based on infrared radiation, also has potential for carrying out secure financial transactions, according to its developers.
The popularity of hands-free kits slumped recently when it emerged that they act as an aerial, amplifying any radio signal to the user's ear and brain.
The new technology, developed by a research team led by Roger Green, professor of electronic communication systems, is an optical antenna that converts electrical signals from a mobile phone into a low-level ...